<%--
  Created by IntelliJ IDEA.
  User: 吧
  Date: 2020/11/27
  Time: 17:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.PreparedStatement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="com.media.bean.UserBean" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>修改页面</title>

    <%--引入css文件和js文件--%>
    <link rel="stylesheet" href="css/bootstrap.css">

    <script src="js/jquery.min.js"></script>
    <script src="js/bootstrap.js"></script>
    <script src="js/bootstrap.bundle.js"></script>
</head>
<body>

<div class="container">
    <div class="row clearfix">
        <div class="col-md-12 column">
            <form role="form" method="post" action="update.jsp">
                <h3 style="margin-top: 20px;">用户编辑</h3>
                <%
                    int id = Integer.parseInt(request.getParameter("id"));

                    //查询用户信息
                    //加载数据库驱动
                    Class.forName("com.mysql.jdbc.Driver");

                    //建立数据库连接
                    String url = "jdbc:mysql://localhost:3306/book1"; //数据库连接地址
                    Connection connection = DriverManager.getConnection(url,"root","root"); //第一个root为数据库的用户名  第二个root为数据库的密码

                    String sql = "select * from user where id = ?"; //在PreparedStatement 中使用问好代替实际参数
                    PreparedStatement ps = connection.prepareStatement(sql);
                    ps.setInt(1,id);

                    ResultSet rs = ps.executeQuery();

                    UserBean user = new UserBean();
                    while (rs.next()){
                        out.print("<input type=\"hidden\" name = 'id' value="+id+">");
                        out.print("用户名:<input type='text' name='username' class=\"form-control\" value="+rs.getString("username")+"><br>");
                        out.print("密码:<input type='text' name='password' class=\"form-control\" value="+rs.getString("password")+"><br>");
                        out.print("性别:<input type='text' name='gender' class=\"form-control\" value="+rs.getString("gender")+"><br>");
                        out.print("年龄:<input type='text' name='age' class=\"form-control\" value="+rs.getString("age")+"><br>");
                    }
                %>
                <button type="submit" style="width: 100%" class="btn btn-info">提交</button>
            </form>
        </div>
    </div>
</div>
</body>
</html>